急,1.25×2.4 1.25×0.32×2.5 11.25×2.4 1.25×0.32×2.5 1.25×2.5×64 0.5×2.33×4
来源：学生作业帮助网 编辑：六六作业网 时间：2024/11/24 18:36:57
急,1.25×2.41.25×0.32×2.511.25×2.41.25×0.32×2.51.25×2.5×640.5×2.33×4急,1.25×2.41.25×0.32×2.511.25×2.41.
急,1.25×2.4 1.25×0.32×2.5 11.25×2.4 1.25×0.32×2.5 1.25×2.5×64 0.5×2.33×4
急,1.25×2.4 1.25×0.32×2.5 1
1.25×2.4 1.25×0.32×2.5 1.25×2.5×64 0.5×2.33×4
急,1.25×2.4 1.25×0.32×2.5 11.25×2.4 1.25×0.32×2.5 1.25×2.5×64 0.5×2.33×4
1.25x2.4
=1.25x2+1.25x0.4
=2.5+0.5
=3
1.25x0.32x2.5
=(1.25x0.8)x(0.4x2.5)
=1x1
=1
1.25x2.5x64
=1.25x8x(2.5x8)
=10x20
=200
0.5x4x2.33
=2x2.33
=4.66
祝您步步高升
期望您的采纳,谢谢
用简便方法算1.25×（0.8+0.4）=? 4.89×99+4.89= ?脱式计算,能简的要简算（14.7+5.6）÷7=? 46÷0.8-20.8=? 急!急!急!急!急!急!急!急!急!
急,1.25×2.4 1.25×0.32×2.5 11.25×2.4 1.25×0.32×2.5 1.25×2.5×64 0.5×2.33×4
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